The new Nokia Lumia 521, a T-Mobile exclusive, will dedut during HSN's Innovation Weekend event this Saturday and comes bundled with a car charger and screen protector.

The Lumia 521 is based on Nokia's most affordable Windows Phone 8 model, the Lumia 520. It will be priced at $149.95, with free shipping and handling.

On May 11, the phone is also scheduled to land at Microsoft and Walmart retail stores. The Microsoft Store will carry it for $149. At Walmart, which hasn?t announced pricing plans yet, the Lumia 521 will be eligible for the retailer's exclusive no contract, $30 per month unlimited web and texting plan on T-Mobile.

T-Mobile also said it will also start selling the phone soon itself, but would provide more specifics later.

The Nokia Lumia 521 features a 4-inch touch screen, 5-megapixel camera with 720p HD video recording, and 8 GB of internal storage-expandable to 64 GB via microSD card. The phone, which is designed to run on T-Mobile's 4G HPSA+ network, also comes pre-loaded with great Nokia apps like Music, Cinemagraph, Creative Studio, Panorama, Smart Shoot, and the HERE navigation suite?Drive, Maps, and Transit.